var jd=0;
var timer;
timer= setInterval(function(){
    $('.run').css('width',jd+'%');
    jd+=1;
    if(jd>100){
        $('.pageloading').addClass('complete');
        setTimeout(function(){
            $('.bigText').html('<h2>World:me too~</h2>')
        },3000)
        clearInterval(timer);
    }
},30)